{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE StrictData #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE NoImplicitPrelude #-}
{-# OPTIONS_GHC -fno-warn-unused-binds #-}
{-# OPTIONS_GHC -fno-warn-unused-imports #-}
{-# OPTIONS_GHC -fno-warn-unused-matches #-}

-- Derived from AWS service descriptions, licensed under Apache 2.0.

-- |
-- Module      : Amazonka.LookoutMetrics.DescribeAlert
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Describes an alert.
--
-- Amazon Lookout for Metrics API actions are eventually consistent. If you
-- do a read operation on a resource immediately after creating or
-- modifying it, use retries to allow time for the write operation to
-- complete.
module Amazonka.LookoutMetrics.DescribeAlert
  ( -- * Creating a Request
    DescribeAlert (..),
    newDescribeAlert,

    -- * Request Lenses
    describeAlert_alertArn,

    -- * Destructuring the Response
    DescribeAlertResponse (..),
    newDescribeAlertResponse,

    -- * Response Lenses
    describeAlertResponse_alert,
    describeAlertResponse_httpStatus,
  )
where

import qualified Amazonka.Core as Core
import qualified Amazonka.Core.Lens.Internal as Lens
import qualified Amazonka.Data as Data
import Amazonka.LookoutMetrics.Types
import qualified Amazonka.Prelude as Prelude
import qualified Amazonka.Request as Request
import qualified Amazonka.Response as Response

-- | /See:/ 'newDescribeAlert' smart constructor.
data DescribeAlert = DescribeAlert'
  { -- | The ARN of the alert to describe.
    DescribeAlert -> Text
alertArn :: Prelude.Text
  }
  deriving (DescribeAlert -> DescribeAlert -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: DescribeAlert -> DescribeAlert -> Bool
$c/= :: DescribeAlert -> DescribeAlert -> Bool
== :: DescribeAlert -> DescribeAlert -> Bool
$c== :: DescribeAlert -> DescribeAlert -> Bool
Prelude.Eq, ReadPrec [DescribeAlert]
ReadPrec DescribeAlert
Int -> ReadS DescribeAlert
ReadS [DescribeAlert]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [DescribeAlert]
$creadListPrec :: ReadPrec [DescribeAlert]
readPrec :: ReadPrec DescribeAlert
$creadPrec :: ReadPrec DescribeAlert
readList :: ReadS [DescribeAlert]
$creadList :: ReadS [DescribeAlert]
readsPrec :: Int -> ReadS DescribeAlert
$creadsPrec :: Int -> ReadS DescribeAlert
Prelude.Read, Int -> DescribeAlert -> ShowS
[DescribeAlert] -> ShowS
DescribeAlert -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [DescribeAlert] -> ShowS
$cshowList :: [DescribeAlert] -> ShowS
show :: DescribeAlert -> String
$cshow :: DescribeAlert -> String
showsPrec :: Int -> DescribeAlert -> ShowS
$cshowsPrec :: Int -> DescribeAlert -> ShowS
Prelude.Show, forall x. Rep DescribeAlert x -> DescribeAlert
forall x. DescribeAlert -> Rep DescribeAlert x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep DescribeAlert x -> DescribeAlert
$cfrom :: forall x. DescribeAlert -> Rep DescribeAlert x
Prelude.Generic)

-- |
-- Create a value of 'DescribeAlert' with all optional fields omitted.
--
-- Use <https://hackage.haskell.org/package/generic-lens generic-lens> or <https://hackage.haskell.org/package/optics optics> to modify other optional fields.
--
-- The following record fields are available, with the corresponding lenses provided
-- for backwards compatibility:
--
-- 'alertArn', 'describeAlert_alertArn' - The ARN of the alert to describe.
newDescribeAlert ::
  -- | 'alertArn'
  Prelude.Text ->
  DescribeAlert
newDescribeAlert :: Text -> DescribeAlert
newDescribeAlert Text
pAlertArn_ =
  DescribeAlert' {$sel:alertArn:DescribeAlert' :: Text
alertArn = Text
pAlertArn_}

-- | The ARN of the alert to describe.
describeAlert_alertArn :: Lens.Lens' DescribeAlert Prelude.Text
describeAlert_alertArn :: Lens' DescribeAlert Text
describeAlert_alertArn = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\DescribeAlert' {Text
alertArn :: Text
$sel:alertArn:DescribeAlert' :: DescribeAlert -> Text
alertArn} -> Text
alertArn) (\s :: DescribeAlert
s@DescribeAlert' {} Text
a -> DescribeAlert
s {$sel:alertArn:DescribeAlert' :: Text
alertArn = Text
a} :: DescribeAlert)

instance Core.AWSRequest DescribeAlert where
  type
    AWSResponse DescribeAlert =
      DescribeAlertResponse
  request :: (Service -> Service) -> DescribeAlert -> Request DescribeAlert
request Service -> Service
overrides =
    forall a. (ToRequest a, ToJSON a) => Service -> a -> Request a
Request.postJSON (Service -> Service
overrides Service
defaultService)
  response :: forall (m :: * -> *).
MonadResource m =>
(ByteStringLazy -> IO ByteStringLazy)
-> Service
-> Proxy DescribeAlert
-> ClientResponse ClientBody
-> m (Either Error (ClientResponse (AWSResponse DescribeAlert)))
response =
    forall (m :: * -> *) a.
MonadResource m =>
(Int -> ResponseHeaders -> Object -> Either String (AWSResponse a))
-> (ByteStringLazy -> IO ByteStringLazy)
-> Service
-> Proxy a
-> ClientResponse ClientBody
-> m (Either Error (ClientResponse (AWSResponse a)))
Response.receiveJSON
      ( \Int
s ResponseHeaders
h Object
x ->
          Maybe Alert -> Int -> DescribeAlertResponse
DescribeAlertResponse'
            forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> (Object
x forall a. FromJSON a => Object -> Key -> Either String (Maybe a)
Data..?> Key
"Alert")
            forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
Prelude.<*> (forall (f :: * -> *) a. Applicative f => a -> f a
Prelude.pure (forall a. Enum a => a -> Int
Prelude.fromEnum Int
s))
      )

instance Prelude.Hashable DescribeAlert where
  hashWithSalt :: Int -> DescribeAlert -> Int
hashWithSalt Int
_salt DescribeAlert' {Text
alertArn :: Text
$sel:alertArn:DescribeAlert' :: DescribeAlert -> Text
..} =
    Int
_salt forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Text
alertArn

instance Prelude.NFData DescribeAlert where
  rnf :: DescribeAlert -> ()
rnf DescribeAlert' {Text
alertArn :: Text
$sel:alertArn:DescribeAlert' :: DescribeAlert -> Text
..} = forall a. NFData a => a -> ()
Prelude.rnf Text
alertArn

instance Data.ToHeaders DescribeAlert where
  toHeaders :: DescribeAlert -> ResponseHeaders
toHeaders =
    forall a b. a -> b -> a
Prelude.const
      ( forall a. Monoid a => [a] -> a
Prelude.mconcat
          [ HeaderName
"Content-Type"
              forall a. ToHeader a => HeaderName -> a -> ResponseHeaders
Data.=# ( ByteString
"application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

instance Data.ToJSON DescribeAlert where
  toJSON :: DescribeAlert -> Value
toJSON DescribeAlert' {Text
alertArn :: Text
$sel:alertArn:DescribeAlert' :: DescribeAlert -> Text
..} =
    [Pair] -> Value
Data.object
      ( forall a. [Maybe a] -> [a]
Prelude.catMaybes
          [forall a. a -> Maybe a
Prelude.Just (Key
"AlertArn" forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
Data..= Text
alertArn)]
      )

instance Data.ToPath DescribeAlert where
  toPath :: DescribeAlert -> ByteString
toPath = forall a b. a -> b -> a
Prelude.const ByteString
"/DescribeAlert"

instance Data.ToQuery DescribeAlert where
  toQuery :: DescribeAlert -> QueryString
toQuery = forall a b. a -> b -> a
Prelude.const forall a. Monoid a => a
Prelude.mempty

-- | /See:/ 'newDescribeAlertResponse' smart constructor.
data DescribeAlertResponse = DescribeAlertResponse'
  { -- | Contains information about an alert.
    DescribeAlertResponse -> Maybe Alert
alert :: Prelude.Maybe Alert,
    -- | The response's http status code.
    DescribeAlertResponse -> Int
httpStatus :: Prelude.Int
  }
  deriving (DescribeAlertResponse -> DescribeAlertResponse -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: DescribeAlertResponse -> DescribeAlertResponse -> Bool
$c/= :: DescribeAlertResponse -> DescribeAlertResponse -> Bool
== :: DescribeAlertResponse -> DescribeAlertResponse -> Bool
$c== :: DescribeAlertResponse -> DescribeAlertResponse -> Bool
Prelude.Eq, ReadPrec [DescribeAlertResponse]
ReadPrec DescribeAlertResponse
Int -> ReadS DescribeAlertResponse
ReadS [DescribeAlertResponse]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [DescribeAlertResponse]
$creadListPrec :: ReadPrec [DescribeAlertResponse]
readPrec :: ReadPrec DescribeAlertResponse
$creadPrec :: ReadPrec DescribeAlertResponse
readList :: ReadS [DescribeAlertResponse]
$creadList :: ReadS [DescribeAlertResponse]
readsPrec :: Int -> ReadS DescribeAlertResponse
$creadsPrec :: Int -> ReadS DescribeAlertResponse
Prelude.Read, Int -> DescribeAlertResponse -> ShowS
[DescribeAlertResponse] -> ShowS
DescribeAlertResponse -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [DescribeAlertResponse] -> ShowS
$cshowList :: [DescribeAlertResponse] -> ShowS
show :: DescribeAlertResponse -> String
$cshow :: DescribeAlertResponse -> String
showsPrec :: Int -> DescribeAlertResponse -> ShowS
$cshowsPrec :: Int -> DescribeAlertResponse -> ShowS
Prelude.Show, forall x. Rep DescribeAlertResponse x -> DescribeAlertResponse
forall x. DescribeAlertResponse -> Rep DescribeAlertResponse x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep DescribeAlertResponse x -> DescribeAlertResponse
$cfrom :: forall x. DescribeAlertResponse -> Rep DescribeAlertResponse x
Prelude.Generic)

-- |
-- Create a value of 'DescribeAlertResponse' with all optional fields omitted.
--
-- Use <https://hackage.haskell.org/package/generic-lens generic-lens> or <https://hackage.haskell.org/package/optics optics> to modify other optional fields.
--
-- The following record fields are available, with the corresponding lenses provided
-- for backwards compatibility:
--
-- 'alert', 'describeAlertResponse_alert' - Contains information about an alert.
--
-- 'httpStatus', 'describeAlertResponse_httpStatus' - The response's http status code.
newDescribeAlertResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  DescribeAlertResponse
newDescribeAlertResponse :: Int -> DescribeAlertResponse
newDescribeAlertResponse Int
pHttpStatus_ =
  DescribeAlertResponse'
    { $sel:alert:DescribeAlertResponse' :: Maybe Alert
alert = forall a. Maybe a
Prelude.Nothing,
      $sel:httpStatus:DescribeAlertResponse' :: Int
httpStatus = Int
pHttpStatus_
    }

-- | Contains information about an alert.
describeAlertResponse_alert :: Lens.Lens' DescribeAlertResponse (Prelude.Maybe Alert)
describeAlertResponse_alert :: Lens' DescribeAlertResponse (Maybe Alert)
describeAlertResponse_alert = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\DescribeAlertResponse' {Maybe Alert
alert :: Maybe Alert
$sel:alert:DescribeAlertResponse' :: DescribeAlertResponse -> Maybe Alert
alert} -> Maybe Alert
alert) (\s :: DescribeAlertResponse
s@DescribeAlertResponse' {} Maybe Alert
a -> DescribeAlertResponse
s {$sel:alert:DescribeAlertResponse' :: Maybe Alert
alert = Maybe Alert
a} :: DescribeAlertResponse)

-- | The response's http status code.
describeAlertResponse_httpStatus :: Lens.Lens' DescribeAlertResponse Prelude.Int
describeAlertResponse_httpStatus :: Lens' DescribeAlertResponse Int
describeAlertResponse_httpStatus = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\DescribeAlertResponse' {Int
httpStatus :: Int
$sel:httpStatus:DescribeAlertResponse' :: DescribeAlertResponse -> Int
httpStatus} -> Int
httpStatus) (\s :: DescribeAlertResponse
s@DescribeAlertResponse' {} Int
a -> DescribeAlertResponse
s {$sel:httpStatus:DescribeAlertResponse' :: Int
httpStatus = Int
a} :: DescribeAlertResponse)

instance Prelude.NFData DescribeAlertResponse where
  rnf :: DescribeAlertResponse -> ()
rnf DescribeAlertResponse' {Int
Maybe Alert
httpStatus :: Int
alert :: Maybe Alert
$sel:httpStatus:DescribeAlertResponse' :: DescribeAlertResponse -> Int
$sel:alert:DescribeAlertResponse' :: DescribeAlertResponse -> Maybe Alert
..} =
    forall a. NFData a => a -> ()
Prelude.rnf Maybe Alert
alert
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Int
httpStatus